mmc: meson-gx: remove useless lock

The spinlock is only used within the irq handler so it does not
seem very useful.

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Jerome Brunet 2018-12-06 16:18:26 +01:00 • committed by Ulf Hansson
commit 83076d2268